/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionCache.h
Given a raw track with transforms per-particle on each frame record, set to this cache and strip out any data we don't need (transform repeats and disabled particles etc.)
void SetFromRawTrack ( const [FRecordedTransformTrack](API\Runtime\Chaos\GeometryCollection\FRecordedTransformTrack) & InTrack )